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Finding the Fourth Proportional to 74,760.48, 112,121.48 and 22,157.67

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Solution

The fourth proportional to 74,760.48, 112,121.48 and 22,157.67 is: 33,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,760.48 : 112,121.48 = 22,157.67 : x
  2. Step 2: Convert to fraction form
    74,760.48/112,121.48 = 22,157.67/x
  3. Step 3: Cross multiply
    74,760.48x = 112,121.48 × 22,157.67
  4. Step 4: Simplify right side
    74,760.48x = 2,484,350,642.96
  5. Step 5: Solve for x
    x = 2,484,350,642.96/74,760.48
  6. Step 6: Final answer
    x = 33,230.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.